Home / 305,940,019,971.78-458,910,890,896.16-117,343,725,926.58

Finding the Fourth Proportional to 305,940,019,971.78, 458,910,890,896.16 and 117,343,725,926.58

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Solution

The fourth proportional to 305,940,019,971.78, 458,910,890,896.16 and 117,343,725,926.58 is: 176,015,919,104.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,940,019,971.78 : 458,910,890,896.16 = 117,343,725,926.58 : x
  2. Step 2: Convert to fraction form
    305,940,019,971.78/458,910,890,896.16 = 117,343,725,926.58/x
  3. Step 3: Cross multiply
    305,940,019,971.78x = 458,910,890,896.16 × 117,343,725,926.58
  4. Step 4: Simplify right side
    305,940,019,971.78x = 53,850,313,806,041,657,114,624
  5. Step 5: Solve for x
    x = 53,850,313,806,041,657,114,624/305,940,019,971.78
  6. Step 6: Final answer
    x = 176,015,919,104.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.